PTGS2 and carcinoma: High Bryne malignancy score value predicted high level of αvβ6-integrin (OR 2.9, 95% CI 1.1–8.2), but MMP-9 and COX2 levels in carcinoma cells (OR 0.17, 95% CI 0.03–0.78; and OR 0.19, 95% CI 0.06–0.65, respectively) were negatively associated with high Bryne category.